#include "CheckCenter.h"




unsigned short crc_table[] =
{
0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
};






CheckCenter::CheckCenter()
{
}

CheckCenter::~CheckCenter()
{
}

/// ----------------------------------------------------------------
/// @brief: 返回单件
/// ----------------------------------------------------------------
CheckCenter& CheckCenter::get_ins()
{
	static CheckCenter instance;
	return instance;
}

/// ----------------------------------------------------------------
/// @brief: 计算pdata的字节校验
/// ----------------------------------------------------------------
unsigned int CheckCenter::sum_(const unsigned char* pdata , const unsigned int length)
{
	/// 参数无效
	if ((nullptr == pdata)	|| (NULL == pdata) || (0 == length) )
		return 0;

	unsigned int ret_sum	= 0;
	for (unsigned int index = 0; index < length; ++ index)
		ret_sum				+= static_cast<unsigned int>(pdata[index]);

	return ret_sum;

}


/// ----------------------------------------------------------------
/// @brief: 算CRC
/// ----------------------------------------------------------------
unsigned short CheckCenter::crc_(const unsigned short init_value , const unsigned char* pdata , unsigned int data_len)
{
	/// CRC 初始值， 默认是0
	unsigned short crc_var		= init_value;
	unsigned char crc_high8		= 0;
	unsigned char *pdata_tmp	= (unsigned char *)pdata;

	while (data_len > 0)
	{
		crc_high8			= (unsigned char)((crc_var & 0xFF00) >> 8);
		crc_var				= crc_var << 8;

		crc_var				^= crc_table[crc_high8 ^ (*pdata_tmp)];
		++ pdata_tmp ;

		 -- data_len;
	}

	return crc_var;
}

//
///// ----------------------------------------------------------------
///// @brief: 算crc
///// ----------------------------------------------------------------
//unsigned short check_center::crc_(const unsigned short init_value, const unsigned char* pdata , const unsigned int data_len)
//{
//
//	//计算掩码
//	T mask = 0;
//	for (size_t i = 0; i < width; i++)
//	{
//		mask = (mask << 1) | 1;
//	}
//
//	T table[256];
//	calculateCrcTable<T>(table , width , poly , refin , refout);
//
//	T ret = init;
//	while (length-- > 0)
//	{
//		if (refin)
//		{
//			ret = (ret >> 8) ^ table[(ret ^ *pData++) & 0xff];
//		}
//		else
//		{
//			ret = ((ret << 8) & mask) ^ table[(ret >> (width - 8)) ^ *pData++];
//		}
//	}
//	return ret ^ xorout;
//
//
//	return 0;
//}

/// ----------------------------------------------------------------
/// @brief: qstring 转 std::string
/// ----------------------------------------------------------------
std::string CheckCenter::qstr_to_std_str_(const QString& str)
{
	QByteArray& ba		= str.toLocal8Bit();
	return ba.data();
}

/// ----------------------------------------------------------------
/// @brief: 将str_src中的空格移除
/// ----------------------------------------------------------------
int CheckCenter::qstr_to_send_buf_(const QString& str_src , unsigned char* pout_buf , const unsigned int pbuf_len)
{
	/// 长度为0
	if (0 == str_src.length())
		return -1;

	/// buff 无效
	if ( (false == pointer_is_valid_(pout_buf)) || (0 == pbuf_len))
		return -2;


	int ret		= 0;
	{
		QStringList list_tmp	= str_src.split(' ');

		ret						= list_tmp.count();

		/// 不能超过数组的长度, -1是为了手动添加\0
		if (ret					> (pbuf_len - 1))
			return -3;

		/// 缓冲拷贝
		int index = 0;
		for (auto& list_item : list_tmp)
		{
			pout_buf[index]			= static_cast<unsigned char>(list_item.toUShort(NULL , 16));
			++index;
		}

		pout_buf[index]	= '\0';
	}

	return ret;
}

/// ----------------------------------------------------------------
/// @brief: pbuf转qstring
/// ----------------------------------------------------------------
QString CheckCenter::uchar_to_qstr_(const unsigned char* pout_buf , const unsigned int pbuf_len)
{
	if ( (false == pointer_is_valid_(pout_buf)) || (0 == pbuf_len))
		return QString();

	QString str_ret;
	for (unsigned int index = 0; index < pbuf_len; ++ index)
	{
		str_ret += QString("%1").arg(pout_buf[index], 2, 16, QLatin1Char('0')) + " ";
	}

	return str_ret.trimmed();;
}

/// ----------------------------------------------------------------
/// @brief: 计算strsrc（AA 55）的长度
/// ----------------------------------------------------------------
unsigned int CheckCenter::get_send_buf_len_(const QString& str_src)
{
	QStringList str_list	= str_src.split(' ');
	return str_list.count();
}

/// ----------------------------------------------------------------
/// @brief: 
/// ----------------------------------------------------------------
QString CheckCenter::get_real_show_str_(const QString& str_src)
{
	QStringList list_str	= str_src.split(' ');
	//QString str_ret;
	for (auto& list_item : list_str)
	{
		if (2 > list_item.length())
			list_item	= "0" + list_item;
		else if (2 < list_item.length())
			list_item	= list_item.left(2);
	}

	return list_str.join(' ');

}
